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-rw-r--r--Documentation/i2c/instantiating-devices2
-rw-r--r--drivers/i2c/i2c-core.c16
-rw-r--r--drivers/macintosh/therm_windtunnel.c4
-rw-r--r--drivers/media/video/bt8xx/bttv-i2c.c2
-rw-r--r--drivers/media/video/cx18/cx18-i2c.c3
-rw-r--r--drivers/media/video/em28xx/em28xx-cards.c2
-rw-r--r--drivers/media/video/ivtv/ivtv-i2c.c9
-rw-r--r--drivers/media/video/v4l2-common.c3
-rw-r--r--drivers/usb/host/ohci-pnx4008.c2
-rw-r--r--drivers/video/matrox/i2c-matroxfb.c2
-rw-r--r--include/linux/i2c.h7
11 files changed, 31 insertions, 21 deletions
diff --git a/Documentation/i2c/instantiating-devices b/Documentation/i2c/instantiating-devices
index e89490270ab..87da405a859 100644
--- a/Documentation/i2c/instantiating-devices
+++ b/Documentation/i2c/instantiating-devices
@@ -102,7 +102,7 @@ static int __devinit usb_hcd_pnx4008_probe(struct platform_device *pdev)
memset(&i2c_info, 0, sizeof(struct i2c_board_info));
strlcpy(i2c_info.name, "isp1301_pnx", I2C_NAME_SIZE);
isp1301_i2c_client = i2c_new_probed_device(i2c_adap, &i2c_info,
- normal_i2c);
+ normal_i2c, NULL);
i2c_put_adapter(i2c_adap);
(...)
}
diff --git a/drivers/i2c/i2c-core.c b/drivers/i2c/i2c-core.c
index df937df845e..cf14ca06318 100644
--- a/drivers/i2c/i2c-core.c
+++ b/drivers/i2c/i2c-core.c
@@ -1464,14 +1464,18 @@ static int i2c_detect(struct i2c_adapter *adapter, struct i2c_driver *driver)
struct i2c_client *
i2c_new_probed_device(struct i2c_adapter *adap,
struct i2c_board_info *info,
- unsigned short const *addr_list)
+ unsigned short const *addr_list,
+ int (*probe)(struct i2c_adapter *, unsigned short addr))
{
int i;
- /* Stop here if the bus doesn't support probing */
- if (!i2c_check_functionality(adap, I2C_FUNC_SMBUS_READ_BYTE)) {
- dev_err(&adap->dev, "Probing not supported\n");
- return NULL;
+ if (!probe) {
+ /* Stop here if the bus doesn't support probing */
+ if (!i2c_check_functionality(adap, I2C_FUNC_SMBUS_READ_BYTE)) {
+ dev_err(&adap->dev, "Probing not supported\n");
+ return NULL;
+ }
+ probe = i2c_default_probe;
}
for (i = 0; addr_list[i] != I2C_CLIENT_END; i++) {
@@ -1490,7 +1494,7 @@ i2c_new_probed_device(struct i2c_adapter *adap,
}
/* Test address responsiveness */
- if (i2c_default_probe(adap, addr_list[i]))
+ if (probe(adap, addr_list[i]))
break;
}
diff --git a/drivers/macintosh/therm_windtunnel.c b/drivers/macintosh/therm_windtunnel.c
index 5c9367acf0c..7d1bfeb6a82 100644
--- a/drivers/macintosh/therm_windtunnel.c
+++ b/drivers/macintosh/therm_windtunnel.c
@@ -322,10 +322,10 @@ do_attach( struct i2c_adapter *adapter )
memset(&info, 0, sizeof(struct i2c_board_info));
strlcpy(info.type, "therm_ds1775", I2C_NAME_SIZE);
- i2c_new_probed_device(adapter, &info, scan_ds1775);
+ i2c_new_probed_device(adapter, &info, scan_ds1775, NULL);
strlcpy(info.type, "therm_adm1030", I2C_NAME_SIZE);
- i2c_new_probed_device(adapter, &info, scan_adm1030);
+ i2c_new_probed_device(adapter, &info, scan_adm1030, NULL);
if( x.thermostat && x.fan ) {
x.running = 1;
diff --git a/drivers/media/video/bt8xx/bttv-i2c.c b/drivers/media/video/bt8xx/bttv-i2c.c
index 407fa61e4cd..685d6597ee7 100644
--- a/drivers/media/video/bt8xx/bttv-i2c.c
+++ b/drivers/media/video/bt8xx/bttv-i2c.c
@@ -411,7 +411,7 @@ void __devinit init_bttv_i2c_ir(struct bttv *btv)
memset(&info, 0, sizeof(struct i2c_board_info));
strlcpy(info.type, "ir_video", I2C_NAME_SIZE);
- i2c_new_probed_device(&btv->c.i2c_adap, &info, addr_list);
+ i2c_new_probed_device(&btv->c.i2c_adap, &info, addr_list, NULL);
}
}
diff --git a/drivers/media/video/cx18/cx18-i2c.c b/drivers/media/video/cx18/cx18-i2c.c
index 809f7d37129..73ce90c2f57 100644
--- a/drivers/media/video/cx18/cx18-i2c.c
+++ b/drivers/media/video/cx18/cx18-i2c.c
@@ -117,7 +117,8 @@ static int cx18_i2c_new_ir(struct cx18 *cx, struct i2c_adapter *adap, u32 hw,
break;
}
- return i2c_new_probed_device(adap, &info, addr_list) == NULL ? -1 : 0;
+ return i2c_new_probed_device(adap, &info, addr_list, NULL) == NULL ?
+ -1 : 0;
}
int cx18_i2c_register(struct cx18 *cx, unsigned idx)
diff --git a/drivers/media/video/em28xx/em28xx-cards.c b/drivers/media/video/em28xx/em28xx-cards.c
index ffbe544e30f..e7efb4bffab 100644
--- a/drivers/media/video/em28xx/em28xx-cards.c
+++ b/drivers/media/video/em28xx/em28xx-cards.c
@@ -2385,7 +2385,7 @@ void em28xx_register_i2c_ir(struct em28xx *dev)
if (dev->init_data.name)
info.platform_data = &dev->init_data;
- i2c_new_probed_device(&dev->i2c_adap, &info, addr_list);
+ i2c_new_probed_device(&dev->i2c_adap, &info, addr_list, NULL);
}
void em28xx_card_setup(struct em28xx *dev)
diff --git a/drivers/media/video/ivtv/ivtv-i2c.c b/drivers/media/video/ivtv/ivtv-i2c.c
index d391bbdb0b8..a74fa099c56 100644
--- a/drivers/media/video/ivtv/ivtv-i2c.c
+++ b/drivers/media/video/ivtv/ivtv-i2c.c
@@ -183,8 +183,8 @@ static int ivtv_i2c_new_ir(struct ivtv *itv, u32 hw, const char *type, u8 addr)
return -1;
memset(&info, 0, sizeof(struct i2c_board_info));
strlcpy(info.type, type, I2C_NAME_SIZE);
- return i2c_new_probed_device(adap, &info, addr_list) == NULL
- ? -1 : 0;
+ return i2c_new_probed_device(adap, &info, addr_list, NULL)
+ == NULL ? -1 : 0;
}
/* Only allow one IR receiver to be registered per board */
@@ -221,7 +221,8 @@ static int ivtv_i2c_new_ir(struct ivtv *itv, u32 hw, const char *type, u8 addr)
info.platform_data = init_data;
strlcpy(info.type, type, I2C_NAME_SIZE);
- return i2c_new_probed_device(adap, &info, addr_list) == NULL ? -1 : 0;
+ return i2c_new_probed_device(adap, &info, addr_list, NULL) == NULL ?
+ -1 : 0;
}
/* Instantiate the IR receiver device using probing -- undesirable */
@@ -249,7 +250,7 @@ struct i2c_client *ivtv_i2c_new_ir_legacy(struct ivtv *itv)
memset(&info, 0, sizeof(struct i2c_board_info));
strlcpy(info.type, "ir_video", I2C_NAME_SIZE);
- return i2c_new_probed_device(&itv->i2c_adap, &info, addr_list);
+ return i2c_new_probed_device(&itv->i2c_adap, &info, addr_list, NULL);
}
int ivtv_i2c_register(struct ivtv *itv, unsigned idx)
diff --git a/drivers/media/video/v4l2-common.c b/drivers/media/video/v4l2-common.c
index 3ce7c64e578..8ee1179be92 100644
--- a/drivers/media/video/v4l2-common.c
+++ b/drivers/media/video/v4l2-common.c
@@ -381,7 +381,8 @@ struct v4l2_subdev *v4l2_i2c_new_subdev_board(struct v4l2_device *v4l2_dev,
/* Create the i2c client */
if (info->addr == 0 && probe_addrs)
- client = i2c_new_probed_device(adapter, info, probe_addrs);
+ client = i2c_new_probed_device(adapter, info, probe_addrs,
+ NULL);
else
client = i2c_new_device(adapter, info);
diff --git a/drivers/usb/host/ohci-pnx4008.c b/drivers/usb/host/ohci-pnx4008.c
index cd74bbdd007..653d6a60edb 100644
--- a/drivers/usb/host/ohci-pnx4008.c
+++ b/drivers/usb/host/ohci-pnx4008.c
@@ -329,7 +329,7 @@ static int __devinit usb_hcd_pnx4008_probe(struct platform_device *pdev)
memset(&i2c_info, 0, sizeof(struct i2c_board_info));
strlcpy(i2c_info.type, "isp1301_pnx", I2C_NAME_SIZE);
isp1301_i2c_client = i2c_new_probed_device(i2c_adap, &i2c_info,
- normal_i2c);
+ normal_i2c, NULL);
i2c_put_adapter(i2c_adap);
if (!isp1301_i2c_client) {
err("failed to connect I2C to ISP1301 USB Transceiver");
diff --git a/drivers/video/matrox/i2c-matroxfb.c b/drivers/video/matrox/i2c-matroxfb.c
index 403b14445a7..0fb280ead3d 100644
--- a/drivers/video/matrox/i2c-matroxfb.c
+++ b/drivers/video/matrox/i2c-matroxfb.c
@@ -191,7 +191,7 @@ static void* i2c_matroxfb_probe(struct matrox_fb_info* minfo) {
};
i2c_new_probed_device(&m2info->maven.adapter,
- &maven_info, addr_list);
+ &maven_info, addr_list, NULL);
}
}
return m2info;
diff --git a/include/linux/i2c.h b/include/linux/i2c.h
index 38dd4025aa4..59a9f3cdc0b 100644
--- a/include/linux/i2c.h
+++ b/include/linux/i2c.h
@@ -284,12 +284,15 @@ i2c_new_device(struct i2c_adapter *adap, struct i2c_board_info const *info);
/* If you don't know the exact address of an I2C device, use this variant
* instead, which can probe for device presence in a list of possible
- * addresses.
+ * addresses. The "probe" callback function is optional. If it is provided,
+ * it must return 1 on successful probe, 0 otherwise. If it is not provided,
+ * a default probing method is used.
*/
extern struct i2c_client *
i2c_new_probed_device(struct i2c_adapter *adap,
struct i2c_board_info *info,
- unsigned short const *addr_list);
+ unsigned short const *addr_list,
+ int (*probe)(struct i2c_adapter *, unsigned short addr));
/* For devices that use several addresses, use i2c_new_dummy() to make
* client handles for the extra addresses.
generated by cgit v1.2.3-70-g09d2 (git 2.51.2) at 2025-11-04 00:22:52 +0000